[Info-vax] VSI has released 9.2-1

Arne Vajhøj arne at vajhoej.dk
Wed Jul 5 15:37:15 EDT 2023


On 7/5/2023 9:05 AM, Dave Froble wrote:
> On 7/4/2023 9:25 PM, Arne Vajhøj wrote:
>> On 6/19/2023 9:43 PM, Dave Froble wrote:
>>> People who count for encryption to provide protection don't really 
>>> care all
>>> that much.  Do enough to check the appropriate box, then not their 
>>> problem.
>>>
>>> People who really care about security of course may use SSL, but then 
>>> what
>>> happens when the encryption is broken?  The user's data is available 
>>> to the
>>> hackers.  But what if the app developers insured that the data, if 
>>> encryption
>>> is defeated, doesn't really mean anything to the hackers.  Some 
>>> custom stuff
>>> in addition to SSL and such.  Yeah, even then, some hacker might 
>>> figure out
>>> the data.  But isn't it better to make it as tough for the hacker as 
>>> one can?
>>>
>>> Now I'll hear from some "you got to use standards".  I'd ask "why?"  The
>>> problem with standards is, everybody knows them.
>>
>> There are two benefits from going standard.
>>
>> Interoperability. If the communication is based on standards, then
>> software from different vendors can communicate. SSL (TLS 1.2 or 1.3
>> of course!) is widely supported standard so C programs on VMS,
>> Java programs on Linux and VB.NET programs on Windows can communicate
>> without problems due to the standard.
>>
>> Security. The public known standard protocols and algorithms are being
>> reviewed by thousands of mathematicians all over the world. A home grown
>> protocol and algorithm will be reviewed by a few software engineers
>> which may or may not have math/cryptography knowledge. The first will
>> simply result in a better solution.
>>
>> Good cryptography does not depend on protocols or algorithms
>> being unknown. It is possible to constructs stuff that are secure
>> even with known protocols/algorithms. And protocols/algorithms
>> that are not secure if known are very bad. They will eventually leak.
> 
> You sort of missed the point of my post.

I miss a lot.

But I read it as that you suggested not using standard
protocols/algorithms but something unique/homemade.

Was that not the case?

Arne





More information about the Info-vax mailing list